|
| Commodity | 2007 | 2008 | 2009 | 2010 | 2011 |
| Copper oxides & hydroxides | $60 | | | | |
| Germanium oxides & zirconium dioxide | $9,804 | | $8,140 | $2,300 | |
| Inorganic bases other than hydrazine & hydroxylamine & their inorganic salt ... | $740 | $10,681 | | $24,939 | $21,497 |
| Total | $10,604 | $10,681 | $8,140 | $27,239 | $21,497 |
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